E L E C T R O N I C S I N C .

Miniature Token Ring Transceiver Module

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

• Optimized for 120

Ω

• Recommended for UTP or STP Transmission

• Complies with or exceeds IEEE 802.5 Requirements

Schematic

EPT7100G

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Package

Electrical Parameters @ 25° C

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

CST7100G

Rev. Orig

6/25/03

•

Chip & Cable Side Impedance : 120

Ω (Xmit/Rcv) •

Insertion Loss

(dB Max.)

Common Mode Rejection

(dB Min.)

Return Loss

(dB Min.)

Crosstalk*

(dB Min.)

-40

24

MHz

1-16

MHz

-0.8/-0.8

Xmit/Rcv

24

MHz

-1.7/-1.7

Xmit/Rcv

36

MHz

-10/-10

Xmit/Rcv

1-6

MHz

-16/-16

Xmit/Rcv

6-17

MHz

-16/-16

Xmit/Rcv

20

MHz

Xmit/Rcv

-25/-25

200

MHz

Xmit/Rcv

-20/-20

17-25

MHz

-8/-8

Xmit/Rcv

.500

(12.70)

.035

(.889)

0°-8°

.100

(2.54)

Pad

Layout

.540

(13.72)

.040

(1.02)

.100

(2.54)

.890

(22.61)

.375

(9.53)

PCA

EPT7100G

Date Code

Pin 1

I.D.

.700

(17.78)

.150

(3.81)

.018/.022

(.457/.559)

.100

(2.54)

.010/.020

(.254/.508)

.360/.370

(9.14/9.40)

.008/.013

(.203/.330)

5

MHz

Xmit/Rcv

-20/-20

1-16

MHz

-50

44

MHz

-20/-20

Xmit/Rcv

Receive

Transmit

Filter

1

2

4

3

5

7

8

12

15

16

Filter

14

13

9

10